*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg: #0f1117;
    --card-bg: #1a1d27;
    --border: #2a2d3d;
    --text: #e2e8f0;
    --muted: #64748b;
    --green: #4ade80;
    --red: #f87171;
    --yellow: #fbbf24;
    --blue: #60a5fa;
    --accent: #4ade80;
}

body { font-family: system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }

/* ── Login ── */
.login-body { display: flex; align-items: center; justify-content: center; }

.login-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 360px;
    text-align: center;
}

.logo { margin-bottom: 1rem; }

.login-card h1 { font-size: 1.5rem; font-weight: 700; margin-bottom: .25rem; }
.login-card .subtitle { color: var(--muted); font-size: .9rem; margin-bottom: 1.5rem; }

.login-card input[type="password"] {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 1.5rem;
    letter-spacing: .5rem;
    padding: .75rem 1rem;
    text-align: center;
    outline: none;
    margin-bottom: 1rem;
    transition: border-color .2s;
}
.login-card input[type="password"]:focus { border-color: var(--accent); }

.login-card button[type="submit"] {
    width: 100%;
    background: var(--accent);
    border: none;
    border-radius: 8px;
    color: #0f1117;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    padding: .75rem;
    transition: opacity .2s;
}
.login-card button[type="submit"]:hover { opacity: .85; }

.error { background: rgba(248,113,113,.1); border: 1px solid rgba(248,113,113,.3); border-radius: 8px; color: var(--red); font-size: .875rem; margin-bottom: 1rem; padding: .6rem 1rem; }

/* ── Dashboard ── */
.topbar {
    align-items: center;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    padding: .875rem 1.5rem;
}
.topbar-brand { align-items: center; display: flex; font-weight: 700; font-size: 1.05rem; gap: .5rem; }
.logout-link { color: var(--muted); font-size: .875rem; text-decoration: none; transition: color .2s; }
.logout-link:hover { color: var(--red); }

.dashboard-main { max-width: 720px; margin: 2rem auto; padding: 0 1rem; display: flex; flex-direction: column; gap: 1.25rem; }

.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem; }
.card-header { align-items: center; display: flex; justify-content: space-between; margin-bottom: 1.25rem; }
.card-header h2 { font-size: 1rem; font-weight: 600; }

.btn-icon { background: none; border: 1px solid var(--border); border-radius: 6px; color: var(--muted); cursor: pointer; font-size: 1.1rem; line-height: 1; padding: .3rem .5rem; transition: color .2s, border-color .2s; }
.btn-icon:hover { border-color: var(--accent); color: var(--accent); }

/* Status rows */
.status-row { align-items: center; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; padding: .6rem 0; font-size: .9rem; }
.status-row:last-child { border-bottom: none; }
.label { color: var(--muted); }

/* Peers */
.peers-list { margin-top: 1rem; display: flex; flex-direction: column; gap: .75rem; }
.peer-row { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: .75rem 1rem; }
.peer-name { align-items: center; display: flex; font-weight: 600; font-size: .9rem; gap: .5rem; margin-bottom: .35rem; }
.peer-meta { color: var(--muted); display: flex; flex-wrap: wrap; font-size: .8rem; gap: .75rem; }

/* Badges */
.badge { border-radius: 4px; font-size: .75rem; font-weight: 600; padding: .15rem .5rem; }
.badge-green { background: rgba(74,222,128,.15); color: var(--green); }
.badge-red   { background: rgba(248,113,113,.15); color: var(--red); }
.badge-yellow{ background: rgba(251,191,36,.15);  color: var(--yellow); }
.badge-grey  { background: rgba(100,116,139,.15); color: var(--muted); }

/* Forms */
.form-row { display: flex; gap: .75rem; }
.form-row input, .form-row select {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    flex: 1;
    font-size: .9rem;
    outline: none;
    padding: .6rem .9rem;
    transition: border-color .2s;
}
.form-row input:focus, .form-row select:focus { border-color: var(--accent); }
.form-row select option { background: var(--card-bg); }

.btn-primary { background: var(--accent); border: none; border-radius: 8px; color: #0f1117; cursor: pointer; font-size: .9rem; font-weight: 600; padding: .6rem 1.1rem; transition: opacity .2s; white-space: nowrap; }
.btn-primary:hover { opacity: .85; }

.btn-danger { background: var(--red); border: none; border-radius: 8px; color: #0f1117; cursor: pointer; font-size: .9rem; font-weight: 600; padding: .6rem 1.1rem; transition: opacity .2s; white-space: nowrap; }
.btn-danger:hover { opacity: .85; }

/* Result messages */
.muted { color: var(--muted); font-size: .875rem; }
.error-text { color: var(--red); font-size: .875rem; margin-top: .75rem; }
.success-text { color: var(--green); font-size: .875rem; margin-top: .75rem; }

.success-box { background: rgba(74,222,128,.08); border: 1px solid rgba(74,222,128,.25); border-radius: 8px; color: var(--text); font-size: .875rem; line-height: 1.6; margin-top: .75rem; padding: .75rem 1rem; }

.btn-download { background: var(--accent); border-radius: 6px; color: #0f1117; display: inline-block; font-size: .85rem; font-weight: 600; margin-top: .5rem; padding: .4rem .85rem; text-decoration: none; transition: opacity .2s; }
.btn-download:hover { opacity: .85; }